Meaning & use
not disclosed
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Meanings
phrasefixed phraseformal
Not made known publicly; kept secret or left out of an official statement.
Grammar: Used after a noun or after the verb be: the price was not disclosed; terms not disclosed.
Patterns
- the amount was not disclosed
- details not disclosed
- not disclosed to the public
The salary for the position was not disclosed in the advertisement.
The full cost of the project was not disclosed to shareholders.
Her reasons for leaving were not disclosed at the time.
phrasefixed phraseformalbusiness
Used in documents to show that a piece of information has deliberately been left blank.
Grammar: Appears as a label in forms, lists, and tables, often shortened to 'n/d'.
Patterns
- not disclosed in the report
- listed as not disclosed
In the table of donors, several entries read 'not disclosed'.
The company's ownership details were listed as not disclosed.
phrasefixed phraselegalformal
Not revealed by someone who was expected or required to reveal it.
Grammar: Often followed by 'by' or 'to' to name the person or group kept in the dark.
Patterns
- not disclosed by someone
- not disclosed to someone
The risks were not disclosed by the seller before the sale.
Important side effects were not disclosed to patients.
Common combinations
- not disclosed for legal reasons
- The names were not disclosed for legal reasons.
- the fee was not disclosed
- The fee was not disclosed anywhere in the contract.
- not disclosed to the public
- The findings were not disclosed to the public for months.
- remain not disclosed
- Several key figures remain not disclosed in the annual report.
Synonyms and how they differ
- undisclosed
- A single adjective with the same meaning; it fits more smoothly before a noun, as in 'an undisclosed sum'.
- confidential
- Means shared only with certain people rather than simply not made public.
- secret
- Stronger and more everyday; it suggests active hiding rather than an official omission.
Opposites
Word family
- disclose verb
- To make information known, especially formally.
- disclosure noun
- The act of making something known, or the information itself.
- undisclosed adjective
- Not made known; used before nouns.
Commonly confused: not disclosed or undisclosed?
not disclosed vs undisclosed
Both mean the same, but 'undisclosed' goes before a noun ('an undisclosed amount'), while 'not disclosed' usually stands after the verb ('the amount was not disclosed').
Practice
Choose the most natural sentence.
Choose one answer.
The information is the subject of the passive phrase 'was not disclosed', and the person kept in the dark follows 'to'. Option 2 is wrong because the price cannot perform the action of disclosing.
Make it your own
Write a sentence using “not disclosed”, then check it and compare it with the examples above.